Java – Page 113 – Sharp: NCLEX, Java & Python

Java: Interfaces

How do you resolve conflicts with default methods from multiple interfaces?

How would you explain a marker interface in an interview?

How do interfaces improve testability and substitution in Java?

Why does functional interfaces matter in practice?

How do private methods in interfaces enhance code organization?

How do interfaces support the Open/Closed Principle?

What keyword is used to declare an interface?

How do interfaces define contracts in Java?

Why does implementing multiple interfaces in a class help in practice?

Why should the line total calculation be an instance method in CartItem?